20804858744

素因数分解:

$2^3\times {\mathrm{497153}}^1\times {\mathrm{5231}}^1$

素因数の和:502390

約数の個数: 16

約数和(自身を含む): 39016645920

約数和(自身を除く): 18211787176

約数列:

[1, 2, 4, 8, 5231, 10462, 20924, 41848, 497153, 994306, 1988612, 3977224, 2600607343, 5201214686, 10402429372, 20804858744]

約数ペア:

[(1, 20804858744), (2, 10402429372), (4, 5201214686), (8, 2600607343), (5231, 3977224), (10462, 1988612), (20924, 994306), (41848, 497153)]